DESCRIPTION

This tag gives access to Interchange global or catalog variables.
Direct access to variables (using the __VAR__ syntax) is
faster, so you should only use this tag where the direct access is
impossible.

Here's the equivalence list:

[var VAR] ==
__VAR__[var VAR 1] ==
@@VAR@@[var VAR 2] ==
@_VAR_@

BEHAVIOR

This tag appears to be affected by, or affects, the following:
Pragmas: dynamic_variables